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TRANSCRIPT
Outcome of the consultation on the Airspace Classification Review 2019/20
CAP 1935
First published by the Civil Aviation Authority, June 2020.
Edition 2 published July 2020.
Civil Aviation Authority
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Beehive Ring Road
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Enquiries regarding the content of this publication should be addressed to:
The latest version of this document is available in electronic format at: www.caa.co.uk
CAP 1935 Contents
July 2020 Page 3
Contents
Contents 3
Chapter 1 The consultation 4
Purpose of this document 4
Background 4
Who responded to this consultation 5
Geographic spread of responses 9
Engagement regarding the consultation 9
Our analysis of the responses 11
List of those responding to the consultation by category of respondent 12
Chapter 2 Outcome of the consultation 155
The opportunities 15
List of opportunities suggested by respondents 166
Table of volumes of airspace 177
Case Study One 22
Case Study Two 23
Case Study Three 23
Chapter 3 Qualitative analysis of free text responses 25
Methodology 25
Key themes 26
Support for the CAA’s work on the classification review 26
Visualisations accompanying the consultation were inadequate 28
Safety concern 30
Views for or against using airspace flexibly 32
General aviation needs are being ignored 35
Additional feedback from stakeholder engagement events 37
Existing CAA policies to be reviewed 40
Chapter 4 Next steps 41
Appendix A Themes used to assess free text responses qualitatively 42
CAP 1935 Chapter 1: The consultation
July 2020 Page 4
Chapter 1
The consultation
Purpose of this document
1.1 In December 2019, the CAA launched a consultation asking you to help us
identify volumes of controlled airspace in which the classification could be
amended to better reflect the needs of all airspace users on an equitable basis.
1.2 This document outlines the content of the responses received and how the CAA
plan to take these forward once the new procedure to review and amend
airspace classifications has been developed and implemented at the end of
2020. This document is not seeking further views.
Background
1.3 In October 2019, the Secretary of State wrote to the CAA to amend the 2017 Air
Navigation Directions. The Directions set the CAA’s functions, meaning the role
we must carry out with respect to airspace. Direction 3 states that the CAA must:
(a) develop and publish a national policy for the classification of UK airspace
(b) classify UK airspace in accordance with such national policy, publish such
classification, regularly consider whether such classification should be reviewed,
carry out a review (which includes consultation with airspace users) where the
CAA considers a change to classification might be made and, as the CAA
considers appropriate, amend any classification in accordance with procedures
developed and published by the CAA for making such amendments;
(ba) in developing the national policy referred to in sub-paragraph (a), classifying
UK airspace under sub-paragraph (b), or amending the classification of a volume
of airspace under that sub-paragraph, seek to ensure that the amount of
controlled airspace is the minimum required to maintain a high standard of air
safety and, subject to overriding national security or defence requirements, that
the needs of all airspace users is reflected on an equitable basis;
1.4 This means the CAA must:
▪ regularly consider whether to review the current classifications of airspace
▪ consult airspace users as part of that review
▪ where we consider a change to classification might be made, amend it
ourselves in accordance with a new process that we must develop and publish
CAP 1935 Chapter 1: The consultation
July 2020 Page 5
▪ in developing that procedure and our policy describing airspace
classifications, seek to ensure that the amount of controlled airspace is the
minimum required to maintain a high standard of air safety and, subject to
overriding national security or defence requirements, that the needs of all
airspace users are reflected on an equitable basis.
1.5 In response to this, the CAA decided to initiate a review of the classification of
UK airspace in December 2019, in parallel with developing the new procedure.
Taking into consideration the obligation to consult with airspace users before
carrying out the review, this consultation sought to engage stakeholders by
inviting them to each identify up to two volumes of airspace where amendments
to current structures and access arrangements should be considered.
Stakeholders were asked to identify the location of the opportunities as well as
the flight level, and time of the day and year when the classifications could be
amended. We asked respondents to provide a rationale and supporting evidence
for their suggestions.
1.6 To support this request, the CAA published a number of visualisations of
controlled airspace. These were ordered by geographical area of the UK (North,
Central and South) and then by height (presented as four flight levels) and at
representative times of the day.
1.7 Directions 3(a), (b) and (ba), mentioned in paragraph 1.3 above require the CAA
to have a procedure for amending airspace classifications. That procedure is
currently being developed, and is now undergoing a public consultation.1 This
means that the next steps the CAA takes on the volumes of airspace identified
by respondents to our first review will be determined by the new procedure. The
new procedure must be in place by 1 December 2020.
Who responded to this consultation
1.8 We had 604 responses in total, after removing duplications. Three respondents
submitted more than one identical response, meaning there were 607
respondent entries. For the purposes of the analysis we have disregarded the
second response, making the total received 604.
1.9 We asked respondents to categorise themselves into one of the following nine
categories:
▪ Resident affected by aviation
▪ Airline passenger
1 https://consultations.caa.co.uk/policy-development/draft-procedure-to-review-airspace-classification
CAP 1935 Chapter 1: The consultation
July 2020 Page 6
▪ Member of the General Aviation community, broken down further by:
▪ Balloon
▪ Fixed Wing 0-2 Tonne MTOW
▪ Fixed Wing 2+ Tonne MTOW
▪ Glider
▪ Hang Gliding and Paragliding
▪ Helicopter
▪ Microlight
▪ Model aircraft
▪ Other. Please specify (free text box)
▪ Unmanned Aerial System Operator
▪ Member of the commercial aviation industry, broken down further by:
▪ Airline
▪ Airport
▪ Air Navigation Service Provider
▪ Business Aviation
▪ Other. Please specify (free text box)
▪ Central or local government body including military
▪ Elected political representative e.g. councillor or MP
▪ National representative organisation e.g. trade association
▪ Local organisation e.g. community action group.
Figure 1.1 responses to the consultation by category of respondent
CAP 1935 Chapter 1: The consultation
July 2020 Page 7
1.10 Of the 604 respondents
▪ 557 responses were from members of the General Aviation category
▪ 24 responses were from the commercial aviation industry of which 17 were
from air navigation service providers and seven were from airports
▪ Seven responses were from local organisations/action groups.
▪ Six responses were from residents affected by aviation
▪ Four responses were from central or local government body including military
▪ Three responses were from a national representative organisation e.g. trade
association
▪ Two responses were from Unmanned Aerial Systems Operators
▪ One response was from an elected political representative e.g. councillor or
MP
1.11 Several respondents identified themselves as answering on behalf of a non-
general aviation category and then added a general aviation sub-category to
reflect their personal flying activities. These included one representative from the
central or local government body category, one elected political representative,
four local organisations, three members of the commercial aviation industry, one
Number of replies split by category of respondent(604 respondents) Member of the General Aviation
community (557) - 92%
Member of the commercialaviation industry (24) - 4%
Local organisation e.g.community action group (7) - 1%
Resident affected by aviation (6) -1%
Central or local government bodyincluding military (4) - 0.7%
National representativeorganisation e.g. tradeassociation (3) - 0.5%Unmanned Aerial System (2) -0.3%
Elected political representativee.g. councillor or MP (1) - 0.2%
CAP 1935 Chapter 1: The consultation
July 2020 Page 8
national representative organisation and one resident affected by aviation. In all
these cases, we respected the main category that respondents had selected and
excluded their data from the general aviation analysis.
1.12 There were two instances where respondents identified themselves as belonging
to a local organisation e.g. community action group, but then went on to declare
that they were not responding on behalf of that group. As in both these cases a
general aviation sub group had been added, we have recategorised the
responses to the general aviation category.
1.13 We had no responses in the airline passenger category.
Figure 1.2 responses from the General Aviation community split by sub category
1.14 The 557 responses from the general aviation community were broken down into
sub categories as follows:
▪ 378 (68%) glider
▪ 77 (14%) fixed wing 0-2 tonne MTOW
▪ 73 (13%) hang gliding and paragliding
▪ 29 (5%) was made up of the remainder i.e. fixed wing 2+ tonne MTOW,
microlight, helicopter and those where the sub category field was not
completed.
1.15 No responses were received from model aircraft or other sub categories
1.16 A full list of respondents appears at the end of this chapter
Responses by the General Aviation community split by sub-category (557 responses)
Glider (378) - 68%
Fixed-wing 0 - 2 Tonne MTOW (77) -14%
Hang gliding and paragliding (73) - 13%
includes Fixed wing + 2 tonne MTOW,Microlight, helicopter and notspecified (29) - 5%
CAP 1935 Chapter 1: The consultation
July 2020 Page 9
Geographic spread of responses
1.17 The 604 respondents identified themselves as living, or responding on behalf of
an organisation based in the following areas:
▪ South East (274)
▪ East of England (68)
▪ South West (61)
▪ Scotland (50)
▪ East Midlands (34)
▪ West Midlands (34)
▪ North West (29)
▪ Yorkshire and Humber (28)
▪ Northern Ireland (18)
▪ Wales (6)
▪ North East (2)
Figure 1.3 category of respondent by geographic region
Engagement regarding the consultation
1.18 To encourage a wide engagement in this initial review, on the day of launching
the consultation the CAA contacted approximately 730 individuals and
274
68 61 5034 34 29 28 18
6 20
50
100
150
200
250
300
South East East ofEngland
SouthWest
Scotland EastMidlands
WestMidlands
NorthWest
Yorkshireand theHumber
NorthernIreland
Wales North East
Where do respondents of the survey live/where are the organisations they represent based?
CAP 1935 Chapter 1: The consultation
July 2020 Page 10
organisations through a direct email and a further 13,000 through the CAA's
Skywise platform. These communications advised that the Airspace
Classification Review consultation had gone live, provided a link to the
consultation and requested that all representative groups forward a copy to their
members. Presentations were also given at meetings with the Industry
Communications for the Airspace Modernisation Strategy group and the CAA’s
Unmanned Aerial System Forum. A reminder email was sent to all original
recipients two weeks before the end of the 11-week consultation period,
reminding stakeholders that the consultation would close on 3 March 2020.
1.19 Four stakeholder engagement events were held in January 2020. The first of
these was in the form of an open information session, to which we invited all
organisations listed in the CAA’s Airspace Modernisation Governance Structure2.
To further fulfil the requirement for consultations with airspace users, this was
followed by three roundtable discussions, to which we invited relevant
representative groups in the Governance Structure. Two of these roundtables
focused on attendees from the general aviation community and one was focused
on commercial aviation and the Ministry of Defence. The Department for
Transport attended all the events. Representatives from the following
organisations and groups attended the roundtable sessions:
▪ Airspace4All
▪ Airport Operators Association
▪ General and Business Aviation Strategic Forum
▪ General Aviation Partnership
▪ Gatwick Airport
▪ Heathrow Airport
▪ Manchester Airport Group
▪ Ministry of Defence
▪ NATS
1.20 These events allowed us to explain in more detail the background and purpose
of the review and how we planned to carry out the work, as well as providing
more information on the supporting evidence supplied and how it might be used
to inform responses. Attendees were invited to engage in a focussed
2 As set out in the Airspace Modernisation Strategy (CAP 1711) and in more detail in The Airspace
Modernisation Governance Structure (CAP 1711b).
CAP 1935 Chapter 1: The consultation
July 2020 Page 11
conversation on what they felt the review needed to achieve, what evidence we
should use and provide thoughts on how we might work with them to help deliver
their desired outcome.
1.21 More detail on feedback from the engagement sessions can be found in Chapter
3.
Our analysis of the responses
1.22 The consultation asked respondents to identify two volumes of airspace,
described as opportunities, that they were familiar with and where amendments
to current structures and access arrangements could be considered.
1.23 Six open (free text) questions were asked for each opportunity. These questions
were used to capture details of the volume of airspace in question, including the
location, relevant flight level (height) and time of day when the change could be
implemented. Respondents were also asked to provide a rationale and upload
any supporting evidence for each of their suggested opportunities. This gave
respondents an opportunity to outline why they were suggested and the potential
benefits or dis-benefits. We were also interested in whether any local
arrangements were currently in place, such as a Letter of Agreement3.
1.24 A general comments box invited further views on the purpose of the review and
the project in general.
1.25 As well as detail on the suggested opportunities, respondents were able to use
the open questions to raise any suggestions or ideas they wanted us to consider.
We applied a basic qualitative research approach to analysing those responses,
to identify key themes raised by respondents, which category of respondent
raised them, and how often. Chapter 3 details some of the most significant
themes listed in the free text responses, including some examples, where
permission has been given by respondents to do so.
3 A Letter of Agreement is a formal agreement between two parties describing operational scenarios, associated procedures, the operational responsibilities placed upon each party and emergency contact information.
CAP 1935 Chapter 1: The consultation
July 2020 Page 12
List of those responding to the consultation by category of
respondent
Resident affected by aviation (6)
▪ Six individuals
Member of the General Aviation community4 (557)
▪ Avon Hang Gliding and Paragliding Club
▪ Bath, Wilts and North Dorset Gliding Club
▪ Bognor Regis Gliding Club
▪ Bristol and Gloucestershire Gliding Club
▪ British Microlight Aircraft Association
▪ Burn Gliding Club
▪ Cairngorm Gliding Club
▪ Cambridge Gliding Club
▪ Derbyshire and Lancashire Gliding Club
▪ Dover and Folkestone Hang Gliding Club
▪ First Flight Paragliding School
▪ Herefordshire Gliding Club
▪ Isle of Wight Hang Gliding and Paragliding Club
▪ Kent Gliding Club
▪ Lasham Gliding Society
▪ Light Aircraft Association
▪ Mendip Gliding Club
▪ Midland Gliding Club
▪ Norfolk Hang Gliding and Paragliding Club
▪ Pennine Soaring Club
▪ Rattlesden Gliding Club
4 Six of the general aviation clubs and societies shown were represented by more than one respondent but for
the purposes of this document they have only been listed once. It is recognised that the General Aviation clubs
and societies listed here are responding on behalf of a large membership base.
CAP 1935 Chapter 1: The consultation
July 2020 Page 13
▪ Saltersland
▪ Sky Surfing Club
▪ Southdown Gliding Club
▪ Southern Flyers (Sussex)
▪ Sportflight Scotland
▪ Staffordshire Gliding Club
▪ Stratford on Avon Gliding Club
▪ The Yorkshire, Derbyshire, Nottinghamshire and Lancashire Regional Soaring
Airspace Group (East)
▪ The Yorkshire, Derbyshire, Nottinghamshire and Lancashire Regional Soaring
Airspace Group (West)
▪ Ulster Hang Gliding and Paragliding Club
▪ Xclent Paragliding Club
▪ York Gliding Centre
▪ Yorkshire Gliding Club
▪ 499 individuals
▪ 18 clubs/groups who wished to remain anonymous
Unmanned aerial system (2)
▪ Two operators of unmanned aerial systems who wished to remain
anonymous.
Member of the commercial aviation industry (24)
▪ BAE Systems Warton
▪ Birmingham Airport
▪ Birmingham Airport Air Traffic Limited
▪ NATS
▪ Heathrow Airport
▪ Norwich Airport
▪ SkyDemon
▪ Air Navigation Solutions
CAP 1935 Chapter 1: The consultation
July 2020 Page 14
▪ Sixteen members of the commercial aviation industry that preferred to remain
anonymous.
Central or local government body including military (4)
▪ Prestbury Parish Council
▪ Independent Commission on Civil Aviation Noise
▪ Two central or local government bodies that preferred not to be identified.
Elected political representative e.g. councillor or MP (1)
▪ One individual.
National representative organisation e.g. trade association (3)
▪ British Balloon and Airship Club
▪ British Gliding Association
▪ Prospect Air Traffic Controllers Branch.
Local organisation e.g. community action group (7)
▪ Edinburgh Airport Noise Advisory Board - OAG
▪ Nutfield Conservation Society
▪ Richmond Heathrow Campaign
▪ Four local organisations that preferred not to be identified.
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 15
Chapter 2
Outcome of the consultation
The opportunities
2.1 Respondents were asked to submit up to two opportunities each. With over 600
responses received, the CAA assessed over 1000 opportunities submitted
through the consultation. These opportunities corresponded to 57 locations,
which are listed and further described in paragraph 2.9 below. The opportunities
have been summarised into ranges of airport/airspace location, showing the
number of respondents listing one or more airport/airspace locations within that
range.
2.2 Sometimes, respondents used other open (free text) consultation questions to
list additional volumes. There were 110 instances where respondents included,
sometimes numerous, additional opportunities in the general comments section
of the consultation. The CAA read every response, but we have not been able to
include the additional volumes suggested in this quantitative analysis.
2.3 The questions we asked were designed to help us identify a specific volume of
airspace. We asked respondents to refer to the images published as part of the
consultation, which showed radar data for airspace at various flight levels and
various times of day. Respondents often used local methods or generalised
locations to identify which volumes of airspace they highlighted for review, for
example describing the airspace or place names on the ground. In the absence
of this nomenclature in responses, we have had to undertake further research to
assist in identifying the specific airspace proposed, including reviewing the
qualitative descriptions and uploaded evidence in the responses.
2.4 The CAA therefore reviewed all the different suggestions, however they were
named or described, and decided to identify the volumes with the specific
airspace as promulgated in the UK Aeronautical Information Publication EN-
Route Section 6.5 This was the best method to create a single list of airspace
volumes with a common naming system and help identify duplications.
2.5 As described above, the CAA has conducted a high-level review to create a
definitive list of opportunities as proposed by respondents. At this stage we have
not attempted to draw up a plan for the volumes of airspace where we believe
the classification could be amended and where we should consider the best
options for such amendments. This initial consultation was the first step in
creating a new long-term regulatory function for the CAA to undertake a regular
5 http://www.nats-uk.ead-it.com/public/index.php.html
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 16
review of airspace classifications and allow us to amend them where
appropriate. Once the new procedure has been agreed and implemented, we will
use that to review the potential opportunities and identify those where we think
the classification could be amended.6
2.6 The new procedure is only in draft form at present. It outlines how we intend to
use appropriate intelligence, including continuous monitoring of airspace safety,
access or utilisation issues, to create a plan that lists the airspace volumes
where the classification could be amended, and consult airspace users on the
plan.
2.7 Some respondents asked how quickly changes can be made. This will depend
on the procedure we put in place for amendment – which we are designing to be
proportionate, but which must include certain activities such as writing a safety
case and appropriate consultation – and the complexity of the individual airspace
amendment. The cooperation of stakeholders such as the airspace controlling
authority that operates a given volume of airspace will also play a part in the
number of changes we might reasonably expect to make in a year.
List of opportunities suggested by respondents
2.8 The full set of airspace volumes suggested by respondents as candidates for a
classification change is listed in the table below. As noted earlier in this report,
the CAA is consulting on the procedure for amending airspace classifications.
The draft procedure includes a list of criteria that we propose should be used to
assist in filtering the airspace volumes suggested by stakeholders during the
review stage of the procedure, to create a plan for volumes that the CAA
believes could have potential for amendment. The criteria may change after the
consultation once we have taken responses into account. They will therefore
only be confirmed once the new procedure is in place for the 1 December 2020
implementation date. However, for illustrative purposes only, we have chosen
three opportunities, submitted through the December 2019 consultation and
conducted a short case study to show the likely effect of applying the proposed
criteria in the draft procedure on which we are consulting. It should be noted that
the volumes discussed in these case studies will be subject to a full and detailed
analysis once the new procedure has been implemented. This could result in the
volumes meeting one of the proposed filtering criteria, which could potentially
change the likely outcome specified below.
6 Further information on the future procedure is available at https://consultations.caa.co.uk/policy-development/draft-procedure-to-review-airspace-classification
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 17
Table of volumes of airspace
2.9 The table below shows the range of volumes suggested by respondents for each
airport/airspace location, together with the number of respondents that
suggested one or more volume within that range.
Airport /airspace location
Volumes suggested by respondents
Number of respondents mentioning one or more
volumes within that range
Commentary
Aberdeen CTA/CTA 3 5 P600 and CTA received the highest number of mentions at 14 and 4 respectively.
CTR 1
P600 14
Belfast TMA 1
Belfast Aldergrove CTR 1 TMA 1 received the highest number of mentions at 30 TMA1/TMA 2 34
Belfast City CTA 3 1
Benson MATZ 2
Biggin Hill ATZ 1
Birmingham CTA 3 CTA 9 and CTA 3 received the highest number of mentions with 4 and 3 respectively
CTA 3,4 5,8, 9, 10,18
8
Birmingham and East Midlands
EGBB CTA 3 & 8, EGNX CTA 11, 12 & 13
2
Boscombe Down MATZ 2
Boscombe Down & Middle Wallop
MATZ & Danger Areas 1
Bristol CTA 1, 3, 5, 6, 7 & 8
23 CTA 7,8 was the most popular combination with 13 mentions followed by CTA 8 with 5 mentions
CTR 1
South West 1
Bristol Area R154 Oldbury 1
R155 Berkeley 1
Bristol/Cardiff CTA 6, 7, 8 2
Brize Norton CTR 46
Cardiff CTA 6 & 8 3
N864 1
Cotswold CTA CTA 3, 4, 13 & 14
1
CTA 5 & 6 1
Danger Area D006 - Falmouth Bay, D007 - Fowey
1 The most common combination was D123, 124, 125, 126, 127 - SPTA
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 18
Airport /airspace location
Volumes suggested by respondents
Number of respondents mentioning one or more
volumes within that range
Commentary
D123, Imber, 124, 125, 126, 127 - SPTA
18 with 16 mentions, followed by Porton Down with 6
D127 - Porton Down
6
D129 Weston-on-the-Green
3
D130 - Longmoor
1
D147 - Pontrilas
4
D216 - Creden Hill
1
Daventry CTA All 1
The most common combination was CTA 1 & 7 with 10 mentions. CTA 9 proved the most common individual CTA with 17 mentions
CTA 1, 2, 3, 4, 7, 8, 9, 10, 18, 20
44
CTA 4 & LTMA 19
1
Various 4
CTA 9 southern end
1
Doncaster/Sheffield CTA 1 - 13 50 The most common combination was CTA 5 ,6, 8, 9, 10 & 11, with 8 mentions. Of the individual CTAs, CTA 5 and 6 got the highest number of mentions with 18 and 19 respectively.
CTR/CTA 45
Don/EMA Gap 1
CTR/CTA 5, 6, 8, 9, 10 & 11 2
Durham Tees Valley CTA 3 1
CTR/CTA 9
East Midlands CTA/CTA 11 & 12
2
South CTR 1
Edinburgh Arrival routes over Midlothian
1
CTA/CTA 1, 2, 3 & 4
6
Fairford MATZ 2
Farnborough CTA 1, 2,3, 5, 6,7, 8, 9,
18 CTR/CTA was the most common combination with 15 mentions. CTA8 proved the most common individual CTA with 11 mentions
TMZ 2
Odiham MATZ 1
CTR/CTA 15
Feshiebridge N560 3
Gatwick CTR/CTA 3
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 19
Airport /airspace location
Volumes suggested by respondents
Number of respondents mentioning one or more
volumes within that range
Commentary
General - VFR corridors
1 LTMA1 received the highest number of mentions at 5 LTMA 1, 20 6
Routes 3 & 4 1
Glasgow CTA 1,3 3 CTR proved the most popular with 13 mentions CTR & Scottish
TMA 5 15
Heathrow CTR/CTR - White Waltham ATZ/ LTMA
4 Of the LTMAs, LTMA 1 proved the most popular with 7 mentions
LTMA 1, 3, 4, 11, 23
11
Huddersfield Gap ATS Route L975
1
Inverness Proposed CTR/CTAs
6
Kemble Parachute DZ near Western edge of Brize CTA
1
Leeds Bradford CTA joined with Manchester CTA
1 Most popular combination was CTA 3, MAN CTA 3, TMA 1 L975 mentioned 6 times. Looking at individual CTAs, CTA 3 proved the most popular with 13 mentions
CTR/CTA 1, 3 & L975
10
CTA 3, Man CTA 3, TMA 1, L975
6
Linton-on-Ouse MATZ 1
Liverpool CTA 2 & 4, Holyhead CTA 2 & 17
1
North West Liverpool CTA-2 and CTA-4
1
London FIR Daventry CTA1, 7 & 10; Manchester CTA 3 & TMA1 EAST
1
London TMA (LTMA)
LTMA/ LTMA 1 - 5, 8, 11, 13-14, 20-21, 23-24
254
Breaking down the LTMAs, LTMA 20, LTMA 4 and LTMA 3 proved the most popular with 97, 90 and 50 mentions respectively.
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 20
Airport /airspace location
Volumes suggested by respondents
Number of respondents mentioning one or more
volumes within that range
Commentary
LTMA 1 West, Near Rochester, LTMA 2, 3, 4, 7, Southend CTA4, Stansted CTA 3
8
LTMA 3 - Wycombe, Stansted, Southeast
42
Specific portions of LTMA 1 NW of KK, LTMA 3 East of KK, LTMA20 S of KK
2
Luton All 3
CTR/CTA 2, 4, 5
3
Manchester All 1
TMA1- SE Corner received the most mentions with 16
CTR/CTA 1, 2, 3, L975,
10
LL Corridor 2
N57 FL55 segment North of Manchester
1
TMA 1 NW, NE, SE Corners
24
Manchester/Leeds Bradford
L975-1, MAN CTA-3 & TMA-1 and LBA CTA-3
1
Newcastle CTA 2 1
Niton CTA CTA 3, 10, 11 3
North Weald Stansted TMZ 1
Norwich All/All CTR/CTA above 2000'
51
'All' areas attracted 50 mentions, followed by West CTA, which was mentioned 6 times
CTR/CTA/CTA 1,
11
NW, West & SE CTA
7
Portsmouth CTA 5 1
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 21
Airport /airspace location
Volumes suggested by respondents
Number of respondents mentioning one or more
volumes within that range
Commentary
Prestwick All 1
Scottish FIR N560 8
P600 was the most popular location with 12 mentions
N601, N57,L612,T256 ATS Route complex
1
N864/N864 (North of EDI)
3
P600 12
Scottish TMA Scottish TMA, P600 and N864
1
TMA 3, 7 was the most popular combination 4 mentions. EDI/GLA Gap also received 4 mentions
All 1
EDI/GLA Gap 4
Glasgow CTR, TMA7
2
TMA/TMA 2, 3, 7
6
Solent CTA 1, 2, 3, 4, 5, 6,
11 CTA 3, 5 was the most common combination with 8 mentions CTA All 1
South Cerney DZ All 22
South Cerney, Keevil, SAS zone NW of Hereford & SAS Zone North of Abergavenny
All
1
Southampton All Airspace 1
CTR 1
Eastern area 1
Southampton/Solent CTA
All Airspace 2
Southend CTA 7, 8 4
CTR/CTA was the most popular combination with 5 mentions
CTR/CTA/CTR CTA Southern Tip
7
Stansted CTA North, CTA South, TMZ
2
CTR 1
TMZ between Stansted and Luton CTR's
1
Stansted, Luton & Southend All 1
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 22
Airport /airspace location
Volumes suggested by respondents
Number of respondents mentioning one or more
volumes within that range
Commentary
UK FIR MATZ and ATZs
1
T256 1
Wittering MATZ 2
Case Study One
2.10 This case study refers to the suggestion that the base of Daventry control areas
CTA 1 and CTA 7, which currently have a base level of 4500 feet, should be
raised to 5500 feet. The areas in question are highlighted in the chart below.
2.11 As the Daventry area is not directly subject to an ongoing or recent airspace
change proposal, or likely to impact Ministry of Defence operations, the
suggested volume may have the potential to be taken forward as part of our
plan. We will need to carry out further analysis, which will include determining
whether there are any significant safety, operational or environmental impacts
from making such a change.
2.12 If, for example, we would need to make changes to departure and arrival routes
at aerodromes, then we would not progress the proposal any further using the
classification procedure. This is because such a proposal would constitute a
significant change in airspace design, where the impacts must be thoroughly
assessed through the more detailed CAP 1616 process. Instead we would
request that the airspace controlling authority considers addressing the airspace
issue through the existing airspace change, or through any future airspace
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 23
design change in the future. Alternatively, and where appropriate, we might
discuss any other short-term solutions with them to enable better access to the
airspace.
Case Study Two
2.13 This case study refers to the London Terminal Manoeuvring Area LTMA 20.
Several suggestions were received requesting that the base of this airspace
should be raised from 4500 feet to 5500 feet. The area in question is highlighted
in the chart below.
2.14 This airspace is potentially part of the wider FASI South project and airspace
change masterplan required through the CAA’s Airspace Modernisation Strategy.
There are currently several live airspace change proposals in the early stages of
development that may impact on this area. Until these proposals reach a level of
maturity that would enable the CAA to determine the likely impacts, the draft
criteria in the proposed procedure make this suggestion unsuitable to be taken
forward through the new procedure.
2.15 In this case we would instead share the intelligence we have derived with the
relevant airspace change sponsor and, where appropriate, the Airspace Change
Organising Group7. We would request that the sponsor take this additional
information into account as part of its airspace change proposal consultation as it
progresses through the CAP 1616 process.
Case Study Three
2.16 This case study relates to restricted areas R154 & R155 in the Bristol area.
These restricted areas were suggested as being no longer required due to a
7 The Airspace Change Organising Group, usually known as ACOG, was established in 2019 to coordinate
the delivery of key aspects of the Airspace Modernisation Strategy. It operates as a fully independent
organisation overseen by the CAA and Department for Transport. https://www.ourfutureskies.uk/about-
us/who-are-acog/
CAP 1935 Chapter 2: Outcome of the consultation
July 2020 Page 24
change of use of the ground below the restricted area. The areas in question are
highlighted in the chart below.
2.17 It should be noted that any change to the status of restricted airspace would not
represent a classification change and as such would not be taken through the
new procedure. However, this is an example of how improved ongoing
monitoring by the CAA of airspace safety, access or utilisation issues will be
used to flag areas where current restrictions exist that may need to be reviewed.
In cases such as these we would refer the information received to our Airspace
Regulation team who, under an existing CAA procedure, would confirm the
requirement by contacting the original airspace change sponsor. If a status
change is confirmed, the CAA would request a change in accordance with the
relevant policy and for the change to be published in the Aeronautical
Information Publication.
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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Chapter 3
Qualitative analysis of free text responses
3.1 This chapter considers the key themes that were raised in the open text boxes
and addresses additional comments made at our stakeholder engagement
events.
3.2 As part of the consultation, respondents were invited to identify each opportunity
by completing six open text boxes, with guidance included on the type of
information required to be input. A general comment open text box was also
included.
3.3 Most respondents took the opportunity presented by the open text boxes to
share their views, evidence or rationale for their answers. A few recurring themes
were evident across the responses. In this chapter we summarise what those
themes were, and who raised them.
3.4 Much of the feedback made at the stakeholder engagement events is discussed
under the Key Themes section, with any additional points raised summarised
below.
Methodology
3.5 We used a basic qualitative research method to analyse the open-text responses
which involved identifying, and then applying a list of key points or themes raised
by respondents. To create this list of themes, three members of CAA staff each
read 20 responses in full, listing the topics, concerns and comments raised within
them. These lists were then discussed and consolidated, creating an agreed list
of themes identified by unique tags. Nine staff members then read all 604 unique
responses and, using the software contained in the consultation hub, allocated
‘tags’ to each section of the response. This method ensured that:
▪ every individual response was read from start to finish by a member of CAA
staff
▪ the themes we discuss in this chapter were generated by the respondents in
their free text responses – they were not pre-identified by the CAA but are the
key points raised directly by the respondents themselves, and
▪ key themes emerging in each response were noted so that, where possible,
they were analysed quantitatively (i.e. so that we know how many
respondents, and of which stakeholder group, raised a particular topic or
concern).
CAP 1935 Chapter 3: Qualitative analysis of free text responses
July 2020 Page 26
3.6 Each consultation response was analysed by recording the themes raised for
each question. If a respondent raised the same theme in several questions, each
instance was counted, but each theme was only counted once per question, per
response. For example, if a respondent mentioned ‘safety’ once in response to a
question, that counts as one instance; if they mention it three times in response
to that question, it is still counted as one instance; if they mention it in response
to five separate questions that will counts as five instances.
Key themes
3.7 There were many themes identified in the consultation responses and the most
significant of those are discussed below. For each theme, where we have
permission, we have quoted from examples of actual responses to illustrate the
sentiments being expressed.
3.8 The themes most commonly found in the responses are:
▪ Support for the CAA’s work on the classification review
▪ Concerns that the visualisations accompanying the consultation were
inadequate
▪ Safety concerns
▪ Expression of views for or against using airspace flexibly
▪ Concern that general aviation needs have been ignored
3.9 A full list of the themes used in the analysis can be found in Appendix A.
Support for the CAA’s work on the classification review
3.10 Support for the concept and intention of the classification review was mentioned
290 times, of which 273 were by members of the general aviation community
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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Figure 3.1 Respondents mentioning support for the review
3.11 The general aviation community expressed a high level of support for the review
with several respondents commenting on the engagement opportunity. One
general aviation community member said: “Fantastic to be given an opportunity
to make some comments which may prove beneficial to aviation in general.”
3.12 Particular support was received from the gliding community. A representative
from the Southdown Gliding Club said: “The airspace classification review and
project is enormously welcomed by the gliding and general aviation communities,
who for decades have suffered the frustration of being excluded from areas of
controlled airspace which is rarely if ever used.”
3.13 A member of the general aviation gliding community said: “I am very pleased at
long last there is a review of UK airspace. It has been a long time in coming”,
whilst The British Gliding Association said: “We strongly support the need to
review the classification of airspace in the UK with the aim of safely minimising
controlled airspace restrictions.”
3.14 One member of the general aviation community commented on the engagement
opportunity presented by the consultation: “I really welcome this form of
consultation: it is hard for individual members of the GA community to arm
themselves with data and finance to respond fully and effectively to Airport
operators' continual requests to aid their commercial expansion - this initiative
helps give us a voice and some degree of confidence we may be listened to - SO
A SINCERE THANK YOU!”.
Support for the review
Member of the General Aviationcommunity - (273)
Member of the commercial aviationindustry - (8)
Resident affected by aviation - (3)
Central or local government bodyincluding military - (2)
National representative organisatione.g. trade association - (2)
Elected political representative e.g.councillor or MP - (1)
Unmanned Aerial System - (1)
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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3.15 Support was also received from members of the commercial aviation industry.
Birmingham Airport Air Traffic Ltd said: “Birmingham Air Traffic Control welcome
the review of Airspace Classification and are committed to continually improving
the design, classification and operation of its airspace. We are committed to the
ethos of Airspace for all in equal measure and fully support the UK Airspace
Modernisation program. While we can demonstrate that our airspace is fit for
purpose for the foreseeable future, we will always seek to identify improvements
that enhance safety.”
3.16 Heathrow Airport echoed this point commenting: “Heathrow Airport is fully
supportive of the CAA’s Airspace Modernisation Strategy, which aims to deliver
an efficient use of airspace through the modernisation of both airspace design
and air traffic management tools and techniques.”
3.17 Norwich Airport also expressed support, saying: Norwich Airport welcomes and
supports any process that reviews and updates procedures and protocols; this
includes the management of airspace.”
Visualisations accompanying the consultation were inadequate
3.18 Dissatisfaction with the visualisations included in the consultation was mentioned
91 times, 88 of which were from the general aviation community.
Figure 3.2 Respondents mentioning that the visualisations were inadequate
3.19 There was a high level of dissatisfaction expressed over the quality and
usefulness of the visualisations included in the consultation. A representative
from SkyDemon, a provider of navigation services, commented that “This review
consultation was published without enough data for stakeholders to properly
comment. The data provided is appalling and is not fit for use”
Inadequate visualisations
Member of the GeneralAviation community - (88)
Local organisation e.g.community action group - (2)
Member of the commercialaviation industry - (1)
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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3.20 A representative from the Light Aircraft Association commented that: “We are
disappointed to note the data supplied in the consultation documentation is
inadequate and potentially misleading. The visualisation images do not provide a
clear indication of activity in the various controlled airspace areas shown.
Movement data is available but was not supplied in the consultation. We are very
surprised by the apparent lack of detail from the consultation sponsor.”
3.21 Several comments were received on the accuracy of the visualisation diagrams
in demonstrating the flight volume position at each airfield. Respondents felt that
the traces shown were too wide, and the inclusion of general aviation traffic with
commercial gave the impression that the controlled areas were heavily used. It
was widely felt that this was not the case for many of the airfields, and a more
professional analysis that distinguished between commercial and all other traffic
movements would demonstrate that.
3.22 In our engagement events to support the consultation, this issue was also raised.
Stakeholders offered to share data on specific requests to support identified
opportunities and requested that CAA should additionally look at future traffic
profiles to inform our analysis. It was felt that the visualisations provided to
support the consultations represent historic data and should not be used in
isolation in the decision-making process.
3.23 Attendees at our engagement events also raised a concern that the CAA limited
‘opportunities’ to two per response in the consultation, when General Aviation
organisations, representing a wide range of people, will come up with more than
two (with overlapping or different views) that would be valuable for the CAA to
consider alongside individual responses.
CAA response
The CAA appreciates that many respondents felt that the images supplied to
support this consultation failed to provide adequate information to enable an
informed response. We wanted to publish a single and simple evidence base to
assist respondents in identifying volumes of airspace for the review. While there
is no perfect data set, NATS’ radar data offered the best coverage over the UK
and is factually accurate. The images used were ‘snapshots’ – in time, height
and region and were designed to be a starting point for further analysis and
discussion. While the images were used to help respondents visualise and
identify airspace volumes, the CAA will undertake further analysis and apply
logical criteria to decide whether to amend an airspace volume. Further details
on our proposed approach is outlined in more detail in our consultation
document, Draft Procedure for Reviewing the Classification of Airspace, CAP
1934.
It was important to keep the consultation, and the analysis we would have to do
to respond to it, proportionate. We therefore made the decision to limit the
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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number of suggestions we received. We received over 1000 opportunities
through this initial consultation from over 600 respondents and, as shown
throughout this document, we have analysed the responses to correctly identify
the volume of airspace being raised by the respondent and to consider whether
we can take it forward for amendment. Once the new procedure has been
implemented, the CAA will regularly consider whether to undertake a review of
the classifications of airspace, and there will be other opportunities in the future
to identify airspace volumes that could be amended.
Safety concern
3.24 A safety concern with a specific area of airspace was mentioned 121 times, and
the potential safety implications of any further increases in controlled airspace
was mentioned 65 times. Of these concerns, those originating from the General
Aviation community were 95% and 87% respectively.
Figure 3.3 Respondents mentioning a current safety concern
Current Safety Concern
Member of the General Aviationcommunity - (115)
Member of the commercial aviationindustry - (3)
Local organisation e.g. communityaction group - (1)
National representative organisatione.g. trade association - (1)
Resident affected by aviation - (1)
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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Figure 3.4 Respondents mentioning a safety concern with increasing controlled airspace
3.25 A high level of support was expressed for the need to modernise and rationalise
UK airspace to create structures which are safe, efficient and proportionate for all
users. A common concern however − expressed on numerous occasions by the
general aviation community − involved safety issues of the current airspace
design and the implications of continually increasing the level of controlled
airspace. One member of the general aviation community said: “The increasing
controlled airspace has significantly reduced the height of Class G airspace for
gliding which has brought gliders in closer proximity to other powered traffic.”
Another commented “We are forced to fly lower than we would like, and in many
obvious known choke points, throughout large regions of the UK, especially in
the South, just because of the poor and out-dated design of the UK's airspace.
This is a flight safety issue. Height = safety. The higher we are - the safer we are,
so CAA, please don't unnecessarily limit the height we can climb to, because if
the CAA does that, then the CAA is reducing our safety margins.”
3.26 Similarly, other general aviation community members expressed concern that the
current restrictions on general aviation movements had resulted in flights being
funnelled into tight corridors, creating pinch-points, which “increase the chance of
mid-air collisions, near misses and infringements.” Many comments were made
on the need for this, and future reviews of airspace to “…consider the safety of
general aviation pilots in your reviews.”
3.27 Members of the commercial aviation industry also commented on the need to
address the level of airspace infringements. Air Navigation Solutions said:
“Systemisation of VFR traffic allows higher numbers of VFR within controlled
airspace and potentially lowers the number of airspace infringements. This can
Safety concerns with increasing controlled airspace
Member of the General Aviationcommunity - (57)
Member of the commercialaviation industry - (6)
National representativeorganisation e.g. tradeassociation - (1)
Unmanned Aerial System - (1)
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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be further reduced by increasing air traffic services available in uncontrolled
airspace.”
3.28 Similarly, Heathrow Airport said: “A specific concern would be a potential
increase in incursions if there was to be a change to controlled airspace around
Heathrow, as this could increase uncertainty for pilots as to which parts of
airspace they can or cannot access.”
3.29 A commercial airline commented that current controlled airspace, where used,
needs to be preserved, and where it is proven necessary, extended, to allow for
“the expansion of current civil airline use. This will increase our level of protection
from other traffic as well as military and drones.”
3.30 The safety implications of changing an airspace classification was also
mentioned at our engagement events. Stakeholders suggested that the CAA
should not lose sight of the excellent safety record of current airspace, noting
that safety is of a high standard despite the complex traffic mix of General
Aviation and commercial airfields co-existing in the busy London area.
CAA response
The CAA fully appreciates the safety concerns highlighted by respondents. The
primary concern of the CAA is the safe operation of all flights and our safety duty
sits above all others in Section 70 of the Transport Act 2000. We fulfil this duty
when making airspace change decisions and all our decisions are held to the
highest safety standard.
The CAA’s new role to review and amend airspace classifications will give us an
opportunity to review the extent of controlled airspace and to change it safely. In
designing the new procedure, our overriding objective will always be to maintain
a high standard of safety, and any additional safety drivers that may lead to
improvements in airspace classifications can be explored through this new
process.
Views for or against using airspace flexibly
3.31 Support for the introduction of using airspace flexibly was expressed 43 times,
81% of which were from the general aviation community. Five respondents
expressed concern with the deployment of flexible airspace.
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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Figure 3.5 Respondents supporting flexible airspace use
Figure 3.6 Respondents against the introduction of flexible airspace use
3.32 Several respondents expressed support for the deployment of flexible airspace.
An unmanned aerial system organisation stated “we welcome the efforts of the
CAA to modernise airspace classification to better reflect the varying and diverse
needs of the UK’s airspace users. We also agree with the proposition that
flexible airspace classification would maintain essential levels of safety while
significantly improving efficiency”. They went on to say: “…although airspace
should be classified as controlled during times of use by pre-authorised manned
aircraft, it should not be unnecessarily blocked off to other airspace users
(including drone operators) in times when it could be available”.
Support for flexible airspace
Member of the GeneralAviation community - (35)
Member of the commercialaviation industry - (6)
Local organisation e.g.community action group - (1)
Unmanned Aerial System - (1)
Against flexible airspace
Member of the GeneralAviation community - (2)
Local organisation e.g.community action group - (1)
Member of the commercialaviation industry - (1)
National representativeorganisation e.g. tradeassociation - (1)
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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3.33 Similarly, representatives from the general aviation community commented:
“More flexible use of airspace, maybe by time of day, use of mandatory radio
areas etc is to be welcomed rather than permanent control” And “Our airspace
must be managed flexibly, both in terms of daily/seasonal changes and a change
so that an existing allocation can be rescinded as easily as it was granted”.
3.34 Several respondents commented on the need for technological solutions, such
as electronic conspicuity, to be implemented to support the deployment of
flexible airspace, ensuring maximum collaboration and communication between
all airspace users. Comments from the general aviation community included:
“Consideration should be given to developing Electronic Conspicuity
interoperability that allows users to roam more freely around the UK where levels
of traffic are low”. Another commented, “Personally, I believe that flexible time of
activation combined with better application of Electronic Conspicuity options
would increase safety in this region.”
3.35 Other respondents felt that the introduction of flexible airspace would just add
confusion. Members of the general aviation community commented: “Any
amendment has to be permanent, there are enough incidents of zone
infringements with fixed zones without adding the complication of time
restricting.” And “Ideally the amendment should be permanent to avoid
confusion.”
3.36 This view was echoed by Prospect Air Traffic Controllers Branch, the
professional Trade Union representing UK Air Traffic Controllers, who stated:
“Flexible use of airspace is a common approach taken with our partners in the
military and generally works well at higher altitudes, allowing civilian aircraft to
access military airspace when it is not in use. However, these procedures are
very clear with a centralised system and authority in place for allowing aircraft to
enter these areas at appropriate times. There is a significant risk that if flexible
airspace was introduced at lower levels around airfields, confusion could arise,
particularly in the general aviation community about times the airspace is
available, almost certainly increasing the number of airspace infringements….
Flexible use of airspace has its benefits, but we strongly caution this approach
around busy airfields, and we believe it could introduce significant additional risk,
that will require strong mitigation.”
3.37 Attendees at our engagement events also expressed concern with how general
aviation pilots will be educated on using airspace flexibly (particularly the lighter
end of general aviation, with limited technology) and further moves towards
ICAO rules of the air. Several attendees stressed that any technological
solutions implemented by CAA must be proportionate and mindful of the
potential costs.
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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CAA response
UK airspace is a finite resource and as the demand for airspace access from
both existing and new users continues to grow, airspace sharing methods will be
one of the ways the UK will enable equitable access where possible. For
example, using airspace flexibly is a concept where controlled airspace is in
effect ‘switched off’ when it is not in use for Instrument Flight Rules traffic. To
deliver this methodology, new procedures, supporting technologies and
associated education and training will need to be introduced. We are also
considering short term measures that could include existing Letters of
Agreement8 where it is appropriate to do so.
The CAA’s overriding duty is that those flying and those overflown are kept safe.
Any introduction of using airspace flexibly will always have to be safe and any
new procedures developed will fully take that into account.
General aviation needs are being ignored
3.38 There were 104 instances where respondents felt that the needs of the general
aviation community were largely being ignored. Of these comments, 102 were
made by the general aviation community.
Figure 3.7 Needs of the general aviation community are being ignored
3.39 Comments were received from the general aviation community on airspace
change decisions taken within the last few years, and the resulting detrimental
8 A letter of agreement is a formal agreement between 2 parties describing operational scenarios, associated
procedures, the operational responsibilities placed upon each party and emergency contact information
General Aviation needs ignored
Member of the GeneralAviation community - (102)
Central or local governmentbody including military - (1)
Member of the commercialaviation industry - (1)
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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effect they have had on the community and their ability to use airspace. General
Aviation respondents, particularly those from the gliding community, felt that their
interests had been side-lined in favour of financial interests rather than safety,
with one gliding community member saying: “Unfortunately the allocation of
controlled airspace seems to be almost exclusively to the benefit of commercial
operators and airfields. Further, it is an almost completely additive process,
underutilised and unnecessary airspace is almost never removed and hence the
GA community in particular are left with less airspace and compromised flight
safety as a result.” The member went on to say: “Controlled airspace should not
be permanent and should be subject to regular review and if it is no longer
justified it should be removed. I hope that this review is the start of such a
process and not just paying lip-service to GA’s needs”.
3.40 Similarly, many respondents expressed concern that these restrictions have had
a debilitating effect on the health of general aviation industry, cautioning that:
“Many of our future professional pilots (military and civilian) will likely be starting
off in GA powered and/or gliding experiences - that experience is being
diminished, and events threatened as the volumes of available GA airspace is
needlessly eroded.”
3.41 Despite welcoming the review, several concerns were expressed that it will fail to
deliver any tangible benefits to the general aviation community. One member
said: “Whilst on the one hand I am pleased that a consultation is taking place, on
the other hand I have no confidence that the CAA will take note of GA's
comments, or needs…. In creating controlled airspace consideration needs to be
given to the people who use the uncontrolled airspace”
CAA response
The CAA understands that recent airspace change decisions have frustrated
members of the general aviation community. The CAP 1616 airspace change
process,9 has been designed to give all those who feel that they may be
impacted by the proposal an opportunity to have their views heard. Under the
oversight of the CAA, the change sponsor is required to show how they have
responded to these views, including where appropriate how impacts can be
mitigated.
The new role given to the CAA by the Secretary of State means that we will
review and, where appropriate, amend airspace classifications through a new
procedure. As outlined in Chapter 1, the new Directions require the CAA to
ensure that the amount of controlled airspace is the minimum required to
maintain a high standard of air safety and, subject to overriding national security
9 CAP1616
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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or defence requirements, that the needs of all airspace users is reflected on an
equitable basis. The CAA will be guided by our statutory duties and government
policy. With competing stakeholder interests to consider, our decisions will not
always fall in the favour of any given stakeholder group and this includes the
general aviation community. We have noted the feedback received through this
first review and will assess every suggestion received. As a result, our first plan
to amend volumes of airspace where a reduction in controlled airspace and its
classification may be possible, will be published following the implementation of
our new procedure in December 2020.
Additional feedback from stakeholder engagement events
3.42 Four stakeholder engagement events were held in January 2020, at which a
range of stakeholders were invited to share their views and ideas on the purpose
of the review and how the CAA planned to carry out the work. The format for
these events and the organisations that attended are set out in Chapter 1. Much
of the feedback from these events is discussed under the Key Themes section
above, but a summary of additional points that were raised is set out below. This
summary is anonymised and brings together points made across all the events.
Transparency and communication
3.43 Attendees mentioned that the CAA needed to be clearer on the benefits of the
airspace classification review and to ensure that they are widely understood.
They also said that transparency is required on the work the CAA is doing on
innovation and on the level of environmental impact analysis that would be
carried out during the decision-making process. The reach of the consultation
was questioned. Did we originally consult widely enough and include all the
community groups?
CAA response
The CAA understands the need for the benefits of its new role in airspace
classification to be widely understood and engaged with. Our communication
strategy during this initial consultation focussed on involving a wide section of
stakeholders and we were encouraged by the number of responses received. All
communications to representative groups included a request to pass the
information onto their members and encourage a response to the consultation. A
description of how we plan to carry out this work and the benefits we anticipate
CAP 1935 Chapter 3: Qualitative analysis of free text responses
July 2020 Page 38
for airspace modernisation generally is outlined in our consultation document,
Draft Procedure for Reviewing the Classification of Airspace, CAP 1934.10
The CAA appreciates that the innovation landscape is changing quickly, and our
Innovation Hub continues to work with industry to help answer regulatory
questions, including those relating to airspace use. More information on how we
are supporting innovation in aviation and a range of guidance papers can be
found on the Innovation Hub’s section of our website.11
Section 70 of the Transport Act 2000 requires the CAA to take account of
environmental objectives. The Secretary of State has asked the CAA to consider
the environmental consequences of proposals we make for airspace
reclassification, but he also specifically disapplied the existing Air Navigation
Guidance which we apply to a change in airspace design going through the CAP
1616 process. We are proposing that the principles we use for environmental
assessment would be the same as the Air Navigation Guidance, but without any
of the obligations on process that the guidance contains.
Funding and resource
3.44 A general concern was expressed about how the CAA’s new function will be
funded. Attendees were concerned that the CAA lacks the resource and
instrument flight procedure experience to carry out the airspace modernisation
programme and questioned whether additional resource could be found within
the Department for Transport.
CAA response
Airspace resources are usually included as part of the En-Route Rate, which
best captures all commercial airspace users, but the timing of the new Directions
meant that this new activity had not been included in the budget. We are
considering whether there are other options for recovering our costs. Our
proposed approach to resourcing the work for the first twelve months is outlined
in our consultation document, Draft Procedure for Reviewing the Classification of
Airspace, CAP 1934.
Airspace Modernisation
3.45 In the discussion, some attendees suggested that the CAA’s work on
classifications should integrate with other areas/groups working on airspace
design and technology being developed in this area and align with the Airspace
10 https://consultations.caa.co.uk/policy-development/draft-procedure-to-review-airspace-classification
11 https://www.caa.co.uk/Our-work/The-CAA-Innovation-Hub/
CAP 1935 Chapter 3: Qualitative analysis of free text responses
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Modernisation Strategy Masterplan. It was recognised that work was currently
being carried out on the “FASI” airspace changes which involve a complex range
of stakeholders. This includes the airspace changes associated with two of the
initiatives in the Airspace Modernisation Strategy, including those in the airspace
change masterplan that the CAA and the Department for Transport
commissioned from the Airspace Change Organising Group.12 It was suggested
by attendees that this should be the focus of the CAA’s work, and make the best
use of what they termed the CAA’s ‘limited resource and experience’. It was
mentioned that the vast amount of airspace covered in the airspace change
masterplan may result in a reduction of controlled airspace which could benefit
other airspace users such as members of the General Aviation community. It
was suggested that the industry’s heavy investment in the current system needs
to be recognised as well as its need to make a rate of return on that investment.
3.46 There was a concern that a classification change may impact on an approved
and implemented airspace change proposal, which would have been highly
resource - and cost - intensive for the sponsor.
3.47 Some attendees suggested that Government policy needs to clearly outline and
disseminate information on increasing capacity and reducing emissions (which
airspace design can deliver but will impact airspace users) and whether that is
more of a priority than giving General Aviation greater access.
CAA response
The new procedure we are proposing includes the use of a series of filters to
remove proposals that are unsuitable to be taken through the new procedure
because they are part of an ongoing or recent airspace change proposal.
In cases where a classification amendment is not progressed due to an ongoing
or recent change in airspace design, the CAA will formally notify (where
appropriate) the relevant airspace change sponsor and the Airspace Change
Organising Group13 of the intelligence we have derived.
The order of prioritisation between different airspace factors is a matter for
government policy.
12 See Chapter 6 of the Airspace Modernisation Strategy, CAP 1711. ACOG is the Airspace Change
Organising Group, set up by NATS to prepare the airspace change masterplan.
13 The Airspace Change Organising Group, usually known as ACOG, was established in 2019 to coordinate
the delivery of key aspects of the Airspace Modernisation Strategy. It operates as a fully independent
organisation overseen by the CAA and Department for Transport. https://www.ourfutureskies.uk/about-
us/who-are-acog/
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Existing CAA policies to be reviewed
3.48 At the engagement sessions, the CAA asked attendees to consider whether
there were any existing policies that were out of date and should be reviewed.
The Controlled Airspace Containment Policy, published in January 201414, and
The Application of ICAO Airspace Classifications in UK Flight Information
Regions, published in November 201415, were highlighted as a CAA policy
documents that could benefit from a strategic review.
3.49 Rule 11 was highlighted as being unclear. The Rules of the Air Regulations
2015, of which Rule 11 is part, alongside the Standardised European Rules of
the Air, fulfil several aspects of the UKs obligations towards the implementation
of ICAO Standards and Recommended Practices and the Procedures for Air
Navigation Services.
3.50 A concern was expressed over the intent of the consultation and how it relates to
the Regulatory requirement under EU 2017/373 Annex IV Part-ATS. Once
implemented, the new process to review airspace classifications will consider all
factors affecting airspace modernisation, including new or amended regulatory
requirements, and our international obligations (ICAO or EU). This will enable
airspace classifications to be assigned, providing air traffic services appropriate
to the airspace user requirement, as well as enabling us to achieve our safety
objectives.
CAA response
The CAA plans to review The Controlled Airspace Containment Policy, published
in January 2014, and The Application of ICAO Airspace Classifications in UK
Flight Information Regions, published in November 2014. Recent events have
exacerbated our efforts to commence this work, so we are unable to promise a
firm deadline at the time of writing this report.
The Rules of the Air Regulations must, from time to time, be reviewed, and the
CAA intends to examine Rule 11 as part of our work on the prevention and
treatment of Airspace Infringement.
Other related CAA policies may be reviewed where affected by this work.
14 The Controlled Airspace Containment Policy
15 The Application of ICAO Airspace Classifications in UK Flight Information Regions
CAP 1935 Chapter 4: Next steps
July 2020 Page 41
Chapter 4
Next steps
4.1 A timeline for next steps is shown in Figure 4.1 below. It is our intention to take
the airspace volumes suggested by respondents through this first review through
our new classification procedure. This will form part of our first plan which will be
published following the 1 December 2020 implementation of the new procedure.
Figure 4.1 Timeline for the development and implementation of the new procedure
CAP 1935 Appendix A: Themes used to assess free text responses qualitatively
July 2020 Page 42
APPENDIX A
Themes used to assess free text responses qualitatively
Themes
Respondent supports the concept and intention of a classification review
Respondent concerned that no changes to classifications will be made because of the review.
Concern that General Aviation access to airspace will be reduced further following the review
No change to airspace required. Review is short sighted, reducing volumes of airspace can’t be an option.
Existing airspace is already heavily utilised by all users and in the safest possible way.
Review biased in favour of General Aviation community regarding reducing airspace volumes or
categories.
Review biased in favour of commercial air transport.
Respondent finds the proposal/ consultation document complex/ difficult to understand
Respondent finds the visualisations inadequate/not granular enough/misleading
General Aviation needs are being ignored
Concern that any further increase in controlled airspace could have safety implications
A specific airspace volume causes a current safety concern
Respondent supports the use of flexible airspace
Respondent against deploying flexible airspace
Respondent’s opportunity involves recent airspace change decision or Post Implementation Review
Respondent has an environmental concern
Industry should make better use of technology to improve airspace access or reduce controlled airspace